Determine the work,
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Question
3.24

Transcribed Image Text:3.23 Refrigerant 134a in a piston-cylinder assembly undergoes
a process for which the pressure-volume relation 1S
constant. At the initial state, P1
1.058
200 kPa,
||
T = -10°C. The final temperature is T, = 50°C. Determine
the final pressure, in kPa, and the work for the process, in
kJ/kg of refrigerant.
3.24 A piston-cylinder assembly contains 0.02 kg of Refrigerant
134a. The refrigerant is compressed from an initial state
where pi
68.9 kPa and T = -6.7°C to a final state where
P2 = 1.1 MPa. During the process, the pressure and specific
volume are related by pv
in kJ, for the refrigerant.
= constant. Determine the work,
Using u-h Data
3.25 A quantity of water is at 15 MPa and 100°C. Evaluate the
specific volume, in m’/kg, and the specific enthalpy, in kJ/kg,
using
REDMI NOTE 9S
AI QUAD CAMERA
(a) data from Table A-5.
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